commit c768c318cbef764882fc75e17db0fd129159fd0c
Author: mano-wii <germano.costa@ig.com.br>
Date:   Mon Sep 23 13:57:02 2019 +1000

    Fix T69799: Glitch when moving an object the view is locked to

diff --git a/source/blender/editors/transform/transform.h b/source/blender/editors/transform/transform.h
index b90fff29a84..b0f329d0fdc 100644
--- a/source/blender/editors/transform/transform.h
+++ b/source/blender/editors/transform/transform.h
@@ -728,14 +728,18 @@ enum {
   T_EDIT = 1 << 1,
   T_POSE = 1 << 2,
   T_TEXTURE = 1 << 3,
-  /** Transforming the camera while in camera view. */
+  /**
+   * Transforming the 3D view.
+   * Either transforming the camera or when the view is locked to an object that's transformed.
+   */
   T_CAMERA = 1 << 4,
   /** Transforming the 3D cursor. */
   T_CURSOR = 1 << 5,
   /** Transform points, having no rotation/scale. */
   T_POINTS = 1 << 6,
 
-  /* empty slot - (1 << 7) */
+  /** Transforming the view (not in camera). */
+  T_CAMERA_XFORM = 1 << 7,
 
   /** restrictions flags */
   T_NO_CONSTRAINT = 1 << 8,
diff --git a/source/blender/editors/transform/transform_convert.c b/source/blender/editors/transform/transform_convert.c
index 67bb132972e..d257af8c5ac 100644
--- a/source/blender/editors/transform/transform_convert.c
+++ b/source/blender/editors/transform/transform_convert.c
@@ -2724,6 +2724,9 @@ void createTransData(bContext *C, TransInfo *t)
           t->flag |= T_CAMERA;
         }
       }
+      else if (v3d->ob_centre && v3d->ob_centre->id.tag & LIB_TAG_DOIT) {
+        t->flag |= T_CAMERA_XFORM;
+      }
     }
   }
 
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 76f699e3dc4..c813dfd73a4 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -2274,7 +2274,7 @@ void calculateCenter(TransInfo *t)
   if ((t->flag & T_OBJECT) && (t->flag & T_OVERRIDE_CENTER) == 0) {
     if (t->spacetype == SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW) {
 
-      if (t->flag & T_CAMERA) {
+      if (t->flag & (T_CAMERA | T_CAMERA_XFORM)) {
         float axis[3];
         /* persinv is nasty, use viewinv instead, always right */
         copy_v3_v3(axis, t->viewinv[2]);
diff --git a/source/blender/editors/transform/transform_snap.c b/source/blender/editors/transform/transform_snap.c
index 571ce7a6bc2..4d710c99fe2 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -605,7 +605,7 @@ static void initSnappingMode(TransInfo *t)
   }
 
   if ((t->spacetype == SPACE_VIEW3D || t->spacetype == SPACE_IMAGE) && /* Only 3D view or UV */
-      (t->flag & T_CAMERA) == 0) /* Not with camera selected in camera view */
+      (t->flag & (T_CAMERA | T_CAMERA_XFORM)) == 0) /* Not with camera selected in camera view */
   {
     setSnappingCallback(t);